The Skybridge as an Evacuation Option for Tall Buildings for Highrise Cities in the Far East

Wood, Alison; Chow, Wan Ki; Mcgrail, D.

doi:10.2190/1417-hh0k-1w74-170r

Cited by 7 publications

(10 citation statements)

References 2 publications

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“…The sky-bridge concept is not new. The first sky-bridge was the Ponte dei Sospiri, designed by the architect Antonio Contin in Venice at the beginning of the 17 th century (Wood et al 2005). In recent times, this design solution has been already implemented in several buildings around the world, e.g., the Petronas Towers in Malaysia (Ariff 2003).…”

Section: Sky-bridgesmentioning

confidence: 99%

“…The immediate benefit deriving from the use of sky-bridges is the reduction of the vertical evacuation travel distance and the increase in the options available for the evacuation. Nevertheless, the effectiveness of a skybridge is strictly linked to the evacuation strategy adopted and the other egress components available (Wood 2007). The placing of the sky-bridges should be done to ensure the maximum efficiency of the egress circulation and then to benefit evacuation.…”

Section: Sky-bridgesmentioning

confidence: 99%

“…The placing of the sky-bridges should be done to ensure the maximum efficiency of the egress circulation and then to benefit evacuation. For this reason, a sky-bridge should be placed at a level where there is the lift zoning changeover (Wood 2003). In addition, it should be placed in a position between the higher and lower floors of the building, since otherwise the majority of the occupants would need to travel significant distances through vertical means of escape (Wood et al 2005), taking into account also the expected occupant load of the different floors (Wood 2003).…”

Section: Sky-bridgesmentioning

confidence: 99%

“…For this reason, a sky-bridge should be placed at a level where there is the lift zoning changeover (Wood 2003). In addition, it should be placed in a position between the higher and lower floors of the building, since otherwise the majority of the occupants would need to travel significant distances through vertical means of escape (Wood et al 2005), taking into account also the expected occupant load of the different floors (Wood 2003). The use of a sky-bridge would also have a significant impact on the planning of the building since the connection floors would become sky-lobbies (i.e., including stair and lift lobbies) (Wood 2003).…”

Section: Sky-bridgesmentioning

confidence: 99%

“…In addition, it should be placed in a position between the higher and lower floors of the building, since otherwise the majority of the occupants would need to travel significant distances through vertical means of escape (Wood et al 2005), taking into account also the expected occupant load of the different floors (Wood 2003). The use of a sky-bridge would also have a significant impact on the planning of the building since the connection floors would become sky-lobbies (i.e., including stair and lift lobbies) (Wood 2003). There is currently a lack of knowledge about the effectiveness of sky-bridges during evacuation and studies addressing their use in combination with other egress components are required.…”

Section: Sky-bridgesmentioning

confidence: 99%

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Fire evacuation in high-rise buildings: a review of human behaviour and modelling research

2013

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A review of literature related to fire evacuation in high-rise buildings was carried out with the following objectives, (1) to identify the key behavioural factors affecting the performance of people during a fire in a high-rise building, the singularities associated to this type of buildings and areas of future research; (2) to review the procedures and strategies currently adopted in high-rise buildings; (3) to review and analyse the capabilities of evacuation models by reviewing their current characteristics and applications in the context of high-rise building evacuations. The review included both findings on human behaviour in high-rise buildings and modelling techniques and tools. Different categories of building use were taken into account, namely office buildings, residential buildings and health care facilities. The individual or combined use of different egress components was analysed. Egress components include the use of stairs, elevators as well as alternative means of escape (e.g., sky-bridges, helicopters, etc.). The effectiveness of the egress components is strongly affected by the building use and the population involved. The review shows that evacuation models can be effectively employed to study relocation strategies and safety issues associated with high-rise buildings. The suitability of egress models for high-rise building evacuations is associated with their flexibility in representing different egress components and complex behavioural processes. The review highlights that there is not a definitive model to be used but that the predictive capabilities of evacuation modelling techniques would be enhanced if more than one model is employed to study different egress aspects. Future research and model developments should focus on the study of the impact of staff actions, group dynamics and people with disabilities. Given the increasing height of buildings and the gradual reduction in the physical abilities of the population, the effects of fatigue on evacuation need further studies.

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Section: Sky-bridgesmentioning

confidence: 99%

Section: Sky-bridgesmentioning

confidence: 99%